[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"article-detail":3},{"lang":4,"article":5,"alternate":19,"related":20,"latest":29},"en",{"id":6,"slug":7,"title":8,"content":9,"summary":10,"thumbnail":11,"metaDescription":12,"metaKeywords":13,"created":14,"modified":14,"author":15,"authorEn":15,"categoryId":16,"commentCount":17,"thumbnailToContent":18},12738,"fried-rice-syndrome-bacillus-cereus-ftwz","Fried Rice Syndrome: Why Leftover Rice Can Poison You","\u003Cp style=\"margin:0 0 18px;\">It has a nickname — \"fried rice syndrome.\" The proper name is \u003Ci>Bacillus cereus\u003C\u002Fi> food poisoning, and it is so common from leftover-rice stir-fries that the nickname stuck.\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">Here is what makes it sneaky: the rice looks fine, smells fine, and tastes fine. And it can still make you sick.\u003C\u002Fp>\n\u003Ch2 style=\"color:#111;font-size:21px;line-height:1.4;margin:28px 0 12px;\">\u003Cstrong>Boiling Doesn't Kill Everything\u003C\u002Fstrong>\u003C\u002Fh2>\n\u003Cp style=\"margin:0 0 18px;\">Cooking rice at 100°C kills the living bacteria. It does not kill their \u003Cstrong>spores\u003C\u002Fstrong>.\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">Spores are dormant, armored versions of the bacteria, built to survive boiling. As cooked rice cools slowly on the counter, it passes through the danger zone — roughly 20–45°C — which is exactly the temperature range where the spores wake up, multiply rapidly, and secrete their \u003Cstrong>emetic (vomiting) toxin\u003C\u002Fstrong>.\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">\u003Cimg src=\"\u002Fattachment\u002F20261006\u002F491c31bd2f6f4a1385ea0d8591d0c814.webp\" alt=\"img_01.webp\">\u003C\u002Fp>\n\u003Ch2 style=\"color:#111;font-size:21px;line-height:1.4;margin:28px 0 12px;\">\u003Cstrong>The Toxin That Laughs at Your Wok\u003C\u002Fstrong>\u003C\u002Fh2>\n\u003Cp style=\"margin:0 0 18px;\">The vomiting toxin made by \u003Ci>Bacillus cereus\u003C\u002Fi> — called \u003Cstrong>cereulide\u003C\u002Fstrong> — is astonishingly heat-stable. The brief high heat of a home stir-fry does not destroy it at all. It takes \u003Cstrong>126°C under high pressure for 90 minutes\u003C\u002Fstrong> to break it down.\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">So you can fry leftover rice until it is scorching hot: the toxin stays right there in the rice, and eating it still poisons you. And because the rice has no off smell — no sour note, no visible change — nobody can tell by looking.\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">\u003Cimg src=\"\u002Fattachment\u002F20261006\u002F363547e2cdc14b14bbf7c862553cf759.webp\" alt=\"img_02.webp\">\u003C\u002Fp>\n\u003Ch2 style=\"color:#111;font-size:21px;line-height:1.4;margin:28px 0 12px;\">\u003Cstrong>The Safe Rice Routine\u003C\u002Fstrong>\u003C\u002Fh2>\n\u003Cp style=\"margin:0 0 18px;\">\u003Cstrong>Rule 1: Don't let cooked rice sit out.\u003C\u002Fstrong> Keep it at room temperature for no more than two hours. If the air is above 25°C, aim to portion it and get it into the fridge within one hour.\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">\u003Cstrong>Rule 2: Cool it fast, spread it out.\u003C\u002Fstrong> Spread the rice in a shallow layer on a tray to lose heat quickly. Do not leave a big pot of rice covered and slowly cooling on the stove.\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">\u003Cimg src=\"\u002Fattachment\u002F20261006\u002Ffe82805f631d43cfae9049975e9b720e.webp\" alt=\"img_04.webp\">\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">\u003Cstrong>Rule 3: Refrigerate, and don't linger.\u003C\u002Fstrong> Stored cold, rice should be eaten within about 24 hours. The longer it sits, the higher the risk.\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">\u003Cstrong>Rule 4: Fry fresh rice.\u003C\u002Fstrong> The safest fried rice is made from rice that was cooked fresh, cooled quickly, and fried right away — not from the cold leftover rice that sat in the fridge for a day or two.\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">\u003Cimg src=\"\u002Fattachment\u002F20261006\u002Fab193ba720964c53a40f6d43059285fd.webp\" alt=\"img_03.webp\">\u003C\u002Fp>\n\u003Ch2 style=\"color:#111;font-size:21px;line-height:1.4;margin:28px 0 12px;\">\u003Cstrong>The Bottom Line\u003C\u002Fstrong>\u003C\u002Fh2>\n\u003Cp style=\"margin:0 0 18px;\">The rice smells fine. The toxin does not care. \"Fried rice syndrome\" is the price of letting warm rice linger — and the fix is not more heat at the end. It is more speed at the beginning.\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">Curious what the bacteria that pull this off look like under a real microscope — including the spores that survive boiling? \u003Cstrong>WWAI\u003C\u002Fstrong> is an AI-powered biology encyclopedia with an online microscope, including a \u003Cstrong>Gram-positive rod bacterium specimen with visible endospores — the same spore-forming family as Bacillus cereus — where the dormant spores are clearly visible\u003C\u002Fstrong>. Search \"WWAI\" in your app store and download it today.\u003C\u002Fp>\n\u003Cdiv class=\"dp-template-card\" style=\"border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,0.1);margin:10px 0;max-width:100%;overflow:hidden;width:100%;\">\n \u003Ca style=\"display:block;text-decoration:none;\" href=\"https:\u002F\u002Fyun-hub.chat\u002Flink\u002F?app=wwai&clickid=stellarx&dplink=specimenid%3D1186\" target=\"_blank\">\u003Cimg class=\"image_resized\" style=\"display:block;height:auto;max-width:100%;width:100%;\" src=\"\u002Fattachment\u002F20260824\u002F5ba5dd3c38404fe785f43c44423830de.png\" alt=\"5ba5dd3c38404fe785f43c44423830de\">\n  \u003Cbutton style=\"align-items:center;background-color:#1f983e;border-radius:0 0 25px 25px;border-style:none;color:#ffffff;cursor:pointer;display:flex;font-family:Times New Roman;font-size:19px;height:40px;justify-content:center;padding:0;width:100%;\">EXPLORE NOW\u003C\u002Fbutton>\u003C\u002Fa>\n\u003C\u002Fdiv>\n\u003Ch2 style=\"color:#111;font-size:21px;line-height:1.4;margin:28px 0 12px;\">\u003Cstrong>References\u003C\u002Fstrong>\u003C\u002Fh2>\n\u003Cp style=\"margin:0 0 18px;\">[1] CDC MMWR — Bacillus cereus Food Poisoning Associated with Fried Rice at Two Child Day Care Centers, Virginia, 1993 (fried rice as a leading cause; heat-resistant spores survive cooking). http:\u002F\u002Fftp.cica.es\u002Fmirrors\u002Fftp.cdc.gov\u002Fmmwr\u002Fwk\u002Fmm4310.pdf\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">[2] PMC — Modeling Bacillus cereus Growth and Cereulide Formation in Food (cereulide withstands 126°C for 90 min). https:\u002F\u002Fpmc.ncbi.nlm.nih.gov\u002Farticles\u002FPMC7925994\u002F\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">[3] Tokyo Metropolitan Institute of Public Health — Bacillus cereus (emetic toxin not deactivated even at 126°C for 90 minutes). https:\u002F\u002Fwww.hokeniryo1.metro.tokyo.lg.jp\u002Fshokuhin\u002Feng\u002Fmicro\u002Fbachiru.html\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">[4] PMC — Development of a simple screening method for cereulide toxin in fried rice (resilient to 126°C for 90 min; fried rice the most typical vehicle). https:\u002F\u002Fpmc.ncbi.nlm.nih.gov\u002Farticles\u002FPMC11269499\u002Fpdf\u002F11419_2024_Article_683.pdf\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">[5] Based on a Zhihu post by \"田天向上\" (2026-10-04); community comments were excluded from this article.\u003C\u002Fp>\n\u003Cp style=\"color:#111;margin:28px 0 8px;\">\u003Cstrong>Related reading\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 20px;\">\u003Ca style=\"color:#111;text-decoration:none;\" href=\"https:\u002F\u002Fstellarx.tech\u002Farticle\u002Fsalmonella-contamination-food-safety-hqwk\">\u003Cimg class=\"image_resized\" style=\"border-radius:8px;display:block;height:auto;margin-bottom:6px;max-width:520px;width:100%;\" src=\"https:\u002F\u002Fcdn.banyunjuhe.com\u002Fattachment\u002F20261002\u002Fe9794747ac274244896cd160b39fb201.webp\" alt=\"Salmonella: How It Contaminates Your Food\">\u003C\u002Fa>\u003Cbr>\u003Ca style=\"color:#0b6cb0;text-decoration:none;\" href=\"https:\u002F\u002Fstellarx.tech\u002Farticle\u002Fsalmonella-contamination-food-safety-hqwk\">\u003Cstrong>Salmonella: How It Contaminates Your Food\u003C\u002Fstrong>\u003C\u002Fa>\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 20px;\">\u003Ca style=\"color:#111;text-decoration:none;\" href=\"https:\u002F\u002Fstellarx.tech\u002Farticle\u002Fstellarx-mold-food-safety\">\u003Cimg class=\"image_resized\" style=\"border-radius:8px;display:block;height:auto;margin-bottom:6px;max-width:520px;width:100%;\" src=\"https:\u002F\u002Fcdn.banyunjuhe.com\u002Fattachment\u002F20260925\u002Fdcd22265a90a444ea8fb78da10abd20e.png\" alt=\"Why a Batch of Black Sesame Paste Tested 27× the Mold Limit\">\u003C\u002Fa>\u003Cbr>\u003Ca style=\"color:#0b6cb0;text-decoration:none;\" href=\"https:\u002F\u002Fstellarx.tech\u002Farticle\u002Fstellarx-mold-food-safety\">\u003Cstrong>Why a Batch of Black Sesame Paste Tested 27× the Mold Limit\u003C\u002Fstrong>\u003C\u002Fa>\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 20px;\">\u003Ca style=\"color:#111;text-decoration:none;\" href=\"https:\u002F\u002Fstellarx.tech\u002Farticle\u002Fmethylmercury-baby-label-mvwp\">\u003Cimg class=\"image_resized\" style=\"border-radius:8px;display:block;height:auto;margin-bottom:6px;max-width:520px;width:100%;\" src=\"https:\u002F\u002Fcdn.banyunjuhe.com\u002Fattachment\u002F20261001\u002F769f4d5710ab40a6859313db8e10a824.webp\" alt=\"Mercury in 'Baby Cod': A Toddler's Label Trap\">\u003C\u002Fa>\u003Cbr>\u003Ca style=\"color:#0b6cb0;text-decoration:none;\" href=\"https:\u002F\u002Fstellarx.tech\u002Farticle\u002Fmethylmercury-baby-label-mvwp\">\u003Cstrong>Mercury in 'Baby Cod': A Toddler's Label Trap\u003C\u002Fstrong>\u003C\u002Fa>\u003C\u002Fp>","","\u002Fattachment\u002F20261006\u002Fa7e5349ba3af451bba1465d3e6b17220.webp","Boiling kills the bacteria, not their spores. Left at room temperature, they wake up and make a heat-proof toxin. Here's the safe rice routine.","stellarx, wwai, fried rice syndrome, Bacillus cereus, cereulide, food poisoning, leftover rice, food safety","2026-10-06 19:27:48","Science Guide Wwai",77,0,true,null,{"prev":21,"next":25},{"id":22,"slug":23,"title":24,"categoryId":16},12739,"termite-snap-jaws-faster-ants-kwmd","Termite Snap-Jaws: The Fastest Insect Mandibles",{"id":26,"slug":27,"title":28,"categoryId":16},12737,"washed-eggs-family-poisoning-cwhm","Washed Eggs: Why a Family Got Poisoned by Scrambled Eggs",[30,35,40,45],{"id":31,"slug":32,"title":33,"thumbnail":34,"categoryId":16},12742,"sichuan-fermented-sauces-chef-pfdq","Fermented Sauces: Why Sichuan's Champion Chef Wins on Taste","\u002Fattachment\u002F20261006\u002F6ccb4e24a2494d5da088e63f295b064b.webp",{"id":36,"slug":37,"title":38,"thumbnail":39,"categoryId":16},12741,"cisplatin-accidental-discovery-cancer-cure-qbnm","Cisplatin: How an Electrode Accident Became a Cancer Cure","\u002Fattachment\u002F20261006\u002F284abeb331394eb3a512489a534d455e.webp",{"id":41,"slug":42,"title":43,"thumbnail":44,"categoryId":16},12740,"lazarus-species-animals-came-back-tcvq","Lazarus Species: Six Animals That Came Back from Extinction","\u002Fattachment\u002F20261006\u002Fc74b12f2e3dd48b39d1025926b45b7c6.webp",{"id":22,"slug":23,"title":24,"thumbnail":46,"categoryId":16},"\u002Fattachment\u002F20261006\u002F556bb54faadc4256bd6d9defe1f81a90.webp"]